feat(claude): add "Disable Auto-Upgrade" checkbox to provider config editor

Add a toggle for DISABLE_AUTOUPDATER env var in CommonConfigEditor,
following the same pattern as the existing Teammates mode toggle.

src/i18n/locales/en.json

@@ -65,7 +65,8 @@
     "hideAttribution": "Hide AI Attribution",
     "enableTeammates": "Teammates Mode",
     "enableToolSearch": "Enable Tool Search",
-    "effortHigh": "High Effort Thinking"
+    "effortHigh": "High Effort Thinking",
+    "disableAutoUpgrade": "Disable Auto-Upgrade"
   },
   "header": {
     "viewOnGithub": "View on GitHub",

src/i18n/locales/ja.json

@@ -65,7 +65,8 @@
     "hideAttribution": "AI署名を非表示",
     "enableTeammates": "Teammates モード",
     "enableToolSearch": "Tool Search を有効化",
-    "effortHigh": "高強度思考"
+    "effortHigh": "高強度思考",
+    "disableAutoUpgrade": "自動アップグレードを無効化"
   },
   "header": {
     "viewOnGithub": "GitHub で見る",

src/i18n/locales/zh.json

@@ -65,7 +65,8 @@
     "hideAttribution": "隐藏 AI 署名",
     "enableTeammates": "Teammates 模式",
     "enableToolSearch": "启用 Tool Search",
-    "effortHigh": "高强度思考"
+    "effortHigh": "高强度思考",
+    "disableAutoUpgrade": "禁用自动升级"
   },
   "header": {
     "viewOnGithub": "在 GitHub 上查看",